Mechanical Responsible Engineer

Mechanical Responsible Engineer (RE)

The RE holds full technical accountability for mechanical & ventilation engineering within their area, ensuring all work is safe, compliant, and fit for purpose across the project lifecycle. Working to R2A2 (ED21), you'll provide technical leadership, governance, and assurance, while retaining responsibility for key engineering decisions-even when delegated.

Key Responsibilities & Experience

• Strong mechanical engineering background in regulated, safety-critical environments
• Proven technical accountability & decision-making experience
• Ensure compliance with legislation, standards, and safety requirements
• Establish governance, assurance & verification processes
• Lead multi-disciplinary teams & resolve complex technical issues
• Manage technical risks effectively
• Interface with project teams, regulators & assurance bodies
• Promote a strong safety, quality & compliance culture

Qualifications

• Degree (or equivalent) in Mechanical Engineering or related discipline
• Extensive experience aligned to a Responsible Engineer role
• Chartered Engineer (or equivalent) with a recognised institution
• Able to meet security clearance & site access requirements

Key Experience

• Experience as a Responsible Engineer or technical authority in nuclear/high-hazard environments
• Safety case development, substantiation & regulatory engagement
• Full lifecycle delivery: concept commissioning & handover
• Managing deviations, concessions & non-conformances
• Strong understanding of governance, assurance & gated processes
• Contribution to strategic decision-making & continuous improvement
• Specialist Knowledge SQEP in high-integrity piping design (incl. seismic & safety case)
• Machinery Directive & machinery design expertise
• UKCA marking for new facilities
• Familiarity with SEMs, Design Capability CoE & organisational structures
• SQEP aligned with SR0699 & ED21 standards

Company Description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

Mechanical Responsible Engineer Warrington

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